Nissan Altima (L34) 2019-2024 Owners Manual: Active noise cancellation/Active sound enhancement (if so equipped)

Active noise cancellation

Front Microphone

This system uses microphones 1 located inside the vehicle to detect engine booming noise. The system then automatically generates a noise cancelling sound through the speakers and woofer (if so equipped) to reduce engine booming noise.

NOTE:

To operate the active noise cancellation system properly:

• Do not cover the speakers or woofer (if so equipped).

Rear Microphones

• Do not cover the microphones.
• Do not change or modify speakers including the woofer (if so equipped) and any audio related components such as the amplifier.
• Do not make any modification including sound deadening or modifications around the microphones or speakers.

Active sound enhancement

Active sound enhancement enhances existing engine sounds according to the engine speed and driving modes through the speakers and woofer (if so equipped).